doodlebug vs automotive vehicle

doodlebug and automotive vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
doodlebug	Yes	No	No	No
automotive vehicle	Yes	No	No	No

As nouns, automotive vehicle is a hypernym of doodlebug; that is, automotive vehicle is a word with a broader meaning than doodlebug:

doodlebug: a small motor vehicle
automotive vehicle: a self-propelled wheeled vehicle that does not run on rails

Other hypernyms of doodlebug include motor vehicle.

doodlebug (noun)	automotive vehicle (noun)
the larva of any of several insects	a self-propelled wheeled vehicle that does not run on rails
a small jet-propelled winged missile that carries a bomb
a small motor vehicle